C05_04_J_3__Drawings_Geology.pdf

PDF 8 MB Posted

Attached to
Leavenworth Fish Hatchery SWISP Phase II Federal contract opportunity
Solicitation number
140R1026R0001
Issued by
Department of the Interior Bureau of Reclamation

About this file

This document is a geotechnical investigation report for the Leavenworth National Fish Hatchery Water Supply Project located in Washington state along a proposed pipeline route. The report presents detailed subsurface exploration data collected through six test pits (TP-20-1 through TP-20-6) excavated between July 8-10, 2020, along with geophysical surveys including seismic tomography.

The test pit investigations reveal soil stratigraphy consisting primarily of silty sand with gravel, poorly graded sand with silt and gravel, and poorly graded sand and gravel, with occasional cobbles at deeper intervals. Soil classifications per USCS standards range from SP (poorly graded sand) to SW-SM (well-graded sand with silt and material), with fines content varying from 2.6% to 12.9%. Ring density testing yielded total unit weights between 95.6 and 145.1 lbf/ft³ and dry unit weights between 93.6 and 140.9 lbf/ft³. Ground elevations along the pipeline route range from 1156.6 feet to 1176.6 feet. Particle size distribution analysis indicates materials are predominantly composed of sand (27.8% to 37.3% medium sand), with gravel content of 12.3% to 17.7%. No groundwater was encountered during excavations. The accompanying seismic tomography surveys (SL1-SL7) identify the interpreted top of weathered bedrock and competent bedrock boundaries, providing complementary subsurface velocity characterization to support pipeline design and construction planning.

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Sol_140R1026R0001_Amd_0002.pdf PDF
C06_01_Specification_Revisions_0002.pdf PDF
C06_01_140R1026R0001_QA_Log_Final_0002.pdf PDF
Pre-Bid_Sign-In_Sheet_0001.pdf PDF
Sol_140R1026R0001_Amd_0001.pdf PDF
C05_04_J_2__Drawings.pdf PDF
C05_04_J_1__Specifications.pdf PDF
C05_04_J_5__Past_Performance_Questionnaire.pdf PDF
C05_04_140R1026R0001.pdf PDF
Sol_140R1026R0001.pdf PDF
C05_04_J_4__Wage_Determination_WA20260122.pdf PDF
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TEST PITS TP-20-1 THRU

TP-20-6

BOISE, ID

3712-100-60000

2020-10-02

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

ADMIN APPROVAL -

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Rey Leija

Aleksandre Canner

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Vertical Scale: 1" = 3'

Feature: Leavenworth National Fish Hatchery Project:

Location:

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

20L x 20W x 8.4D Feet

0.0 to 2.1

2.1 to 6.1

6.1 to 8.4

NOTES

% PLUS 3-INCH BY VOLUME

Easting

0 0

2.1 to 6.1 ft.: COBBLEY POORLY GRADED SAND WITH SILT AND GRAVEL c(SP-SM)g:

About 70% fine to coarse, hard, angular to subangular sand; about 20% fine to coarse, hard, rounded to subrounded gravel; about 10% fines.

TOTAL SAMPLE (BY VOLUME): About 15 % 3- to 5-inch, hard, rounded to subrounded cobbles. Trace 5 to 12-inch, hard, rounded to subrounded cobbles.

IN PLACE CONDITIONS: Maximum size; 7 inches; loosely compacted; moist; light brown to orange brown; no reaction with HCl.

3-5 INCH 5-12

INCH

7/10/2020Approx. Dimensions:

WGS 84, decimal degrees

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

FIELD

CLASSIFICATION

GROUP SYMBOL

Logged By:

Date Of Exploration:

PLUS 12

INCH

c(SP-SM)g

Bureau Of Reclamation TEST PIT LOG Hole No. TP-20-1

Water Encountered: none

Ground Elevation:

Method of Exploration:

Columbia Basin

Along pipeline route

Northing -120.6798647.55329

1176.6 ft.

0(SP)g

The mini excavator utilized a 3-foot-wide toothed all purpose bucket. Coordinates collected using recreational grade GPS.

(SM)g

0.0 to 2.1 ft.: SILTY SAND WITH GRAVEL (SM)g:

About 60% fine to coarse, hard, angular to subangular sand; about 25% fines; about 15% fine to coarse, hard, angular to subangular gravel.

IN PLACE CONDITIONS: maximum size, 2 inches; loosely compacted; dry; light brown to orange brown; no reaction with HCl.

0 0

6.1 to 8.4 ft.: POORLY GRADED SAND WITH GRAVEL (SP)g:

About 75% fine to coarse, hard, angular to subangular sand; about 25% fine to coarse, hard, rounded to subrounded gravel.

IN PLACE CONDITIONS: maximum size; 2 inches, moist; light brown; no reaction with HCl.

0 0

Tested By: Pfeifer Checked By: Brusak

Particle Size Distribution Report P

E R

C E

N T

FI

N

E R

GRAIN SIZE - mm.

0.0010.010.1110100

% Cobbles Coarse

% Gravel

Fine Coarse Medium

% Sand

Fine Silt

% Fines

Clay

3.9 17.7 16.2 11.5 34.8 12.9 3.0 in in in

1½ in in

¾ in

½ in

3/ in

#4 #1

#2

#3

#4

#6

#1

#1

#2

SIEVE PERCENT SPEC.* PASS?

SIZE FINER PERCENT (X=NO)

Material Description

Atterberg Limits

Classification

Remarks

Source of Sample: TP Super Sacks Depth: 8.4-9.9 Sample Number: 73Q-6 Date:

Client:

Project:

Project No: Figure

TP-20-1

poorly graded sand with gravel 5" 3"

1-1/2" 3/4" 3/8" #4 #8

#16 #30 #50 #100 #200

100.0 96.1 88.7 78.4 69.7 62.2 53.2 40.7 23.2 10.8

6.2 3.0

NP NP NP

SP A-1-b

Assumed NP for USCS Classification

US Fish and Wildlife

Leavenworth National Fish Hatchery

73Q

PL= LL= PI=

USCS= AASHTO=

* (no specification provided)

BUREAU OF RECLAMATION

Denver, Colorado

Prel im ina ry

Res ult s

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

9W x 13L x 8.2D Feet

0.0 to 7.2

7.2 to 8.2

NOTES

The backhoe utilized a 3-foot-wide toothed all purpose bucket. Advancement was quick and smooth. Advancement ended when ideal depth for ring density test was reached. Coordinates collected using recreational-grade handheld GPS.

(SP)g

7.2 to 8.2 ft.: POORLY GRADED SAND WITH GRAVEL (SP)g:

About 70% fine to coarse, hard, angular to subangular sand; about 25% fine to coarse, hard, rounded to subrounded gravel; about 5% fines.

IN PLACE CONDITIONS: maximum size, 2 inches; loosely compacted; moist; light brown to orange brown; no reaction with HCl.

0 0 0

PLUS 12

INCH

(SM)g

0.0 to 7.2 ft.: SILTY SAND WITH GRAVEL (SM)g:

About 65% fine to coarse, hard, angular to subangular sand; about 20% fines; about 15% fine to coarse, hard, angular to subangular gravel.

IN PLACE CONDITIONS: maximum size 1.5 inches; dry; light brown; no reaction with HCl.

0 0 0

FIELD

CLASSIFICATION

GROUP SYMBOL

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

% PLUS 3-INCH BY VOLUME

3-5 INCH 5-12

INCH

Water Encountered: none Approx. Dimensions: Date Of Exploration: 7/10/2020

WGS 84, decimal degrees Logged By:

Bureau Of Reclamation TEST PIT LOG Hole No.

47.55329 -120.67828 Method of Exploration:

Northing Easting

TP-20-2

Columbia Basin

Along pipeline route Ground Elevation: 1172.3 ft.

P

E R

C E

N T

FI

N

E R

GRAIN SIZE - mm.

0.0010.010.1110100

% Cobbles Coarse

% Gravel

Fine Coarse Medium

% Sand

Fine Silt

% Fines

Clay

3.9 12.9 15.0 20.0 32.4 9.6 6.2 in in in

1½ in in

¾ in

½ in

3/ in

#4 #1

#2

#3

#4

#6

#1

#1

#2

SIEVE PERCENT SPEC.* PASS?

SIZE FINER PERCENT (X=NO)

Material Description

Atterberg Limits

Classification

Remarks

Source of Sample: TP Super Sacks Depth: 8.2-9.6 Sample Number: 73Q-9 Date:

Client:

Project:

Project No: Figure

TP-20-2

well-graded sand with silt and gravel 5" 3"

1-1/2" 3/4" 3/8" #4 #8

#16 #30 #50 #100 #200

100.0 96.1 89.9 83.2 76.3 68.2 52.9 33.2 19.6 13.2

9.3 6.2

NP NP NP

SW-SM A-1-a

Assumed NP for USCS Classification

US Fish and Wildlife

Leavenworth National Fish Hatchery

73Q

PL= LL= PI=

USCS= AASHTO=

* (no specification provided)

BUREAU OF RECLAMATION

Denver, Colorado

Prel im ina ry

Res

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

12L x 10W x 7.9D Feet

0.0 to 7.9

The backhoe utilized a 3-foot-wide toothed all purpose bucket. Coordinates were collected using recreational grade handheld

GPS.

7/9/2020

PLUS 12

INCH

(SP-SM)g

FIELD

CLASSIFICATION

GROUP SYMBOL

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

% PLUS 3-INCH BY VOLUME

3-5 INCH 5-12

INCH

0.0 to 7.9 ft.: POORLY GRADED SAND WITH SILT AND GRAVEL (SP-SM)g:

About 65% fine to coarse, hard, angular to subangular sand; about 25% fine to coarse, hard, rounded to subrounded gravel; about 10% fines.

IN PLACE CONDITIONS: maximum size, 3 inches; loosely compacted; dry; light brown to orange brown; no reaction with HCl.

0 0 0

Water Encountered: none Approx. Dimensions: Date Of Exploration:

Notes

TP-20-3

Columbia Basin

Along pipeline route Ground Elevation: 1171.5 ft.

WGS 84, decimal degrees Logged By:

Bureau Of Reclamation TEST PIT LOG Hole No.

47.55357 -120.67690 Method of Exploration:

Northing Easting

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

20L x 20W x 9.1D Feet

0.0 to 2.1

2.1 to 7.2

7.2 to 9.1

NOTES

The backhoe utilized a 3-foot-wide toothed all purpose bucket. Advancement was quick and smooth. Advancement ended when ideal depth for ring density test was reached. Coordinates collected using recreational-grade handheld GPS.

0.0 to 2.1 ft.: POORLY GRADED SAND WITH SILT GRAVEL AND COBBLES (SP-SM)gc:

About 75% fine to coarse, hard, angular to subangular sand; about 15% fine to coarse, hard, rounded to subrounded gravel; about 10% fines.

TOTAL SAMPLE (BY VOLUME): Trace 3 to 5-inch, hard, rounded to subrounded cobbles.

IN PLACE CONDITIONS: maximum size: 4 inches; loosely compacted; dry; light brown to orange brown; no reaction with HCl.

0 0 0

2.1 to 7.2 ft.: POORLY GRADED SAND (SP):

About 95% fine to coarse, hard, angular to subangular sand; about 5% fines.

IN PLACE CONDITIONS: moist; light gray to dark brown; no reaction with HCl. 0 0 0

(SP-SM)gc

(SP)

(GP)s

7.2 to 9.1 ft.: POORLY GRADED GRAVEL WITH SAND (GP)s:

About 85% fine to coarse, hard, rounded to subrounded gravel; about 15% fine to coarse, hard, angular to subangular sand.

IN PLACE CONDITIONS: maximum size: 3 inches; moist; light to dark gray; no reaction with HCl.

0 0 0

FIELD

CLASSIFICATION

GROUP SYMBOL

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

% PLUS 3-INCH BY VOLUME

3-5 INCH 5-12

INCH

PLUS 12

INCH

Columbia Basin

Along pipeline route

Bureau Of Reclamation TEST PIT LOG Hole No. TP-20-4

-120.67629

1166.9 ft.

WGS 84, decimal degrees

Date Of Exploration:

Ground Elevation:

47.55410 Method of Exploration:

7/9/2020 Water Encountered: none

Northing Easting Logged By:

Approx. Dimensions:

P

E R

C E

N T

FI

N

E R

GRAIN SIZE - mm.

0.0010.010.1110100

% Cobbles Coarse

% Gravel

Fine Coarse Medium

% Sand

Fine Silt

% Fines

Clay

13.0 17.7 15.3 15.9 27.8 7.7 2.6 in in in

1½ in in

¾ in

½ in

3/ in

#4 #1

#2

#3

#4

#6

#1

#1

#2

SIEVE PERCENT SPEC.* PASS?

SIZE FINER PERCENT (X=NO)

Material Description

Atterberg Limits

Classification

Remarks

Source of Sample: TP Super Sacks Depth: 8.1-8.6 Sample Number: 73Q-14 Date:

Client:

Project:

Project No: Figure

TP-20-4

poorly graded sand with gravel 5" 3"

1-1/2" 3/4" 3/8" #4 #8

#16 #30 #50 #100 #200

100.0 87.0 77.6 69.3 62.1 54.0 41.8 26.0 14.3

7.7 6.1 2.6

NP NP NP

SP A-1-a

Assumed NP for USCS Classification

US Fish and Wildlife

Leavenworth National Fish Hatchery

73Q

PL= LL= PI=

USCS= AASHTO=

* (no specification provided)

BUREAU OF RECLAMATION

Denver, Colorado

Prel im ina ry

Res

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

10L x 6W x 8.1D Feet

0.0 to 5.8

5.8 to 8.1

NOTES

TP-20-5

Columbia Basin

Along pipeline route Ground Elevation: 1162.0 ft.

Hole No.

(SP)

WGS 84, decimal degrees Logged By:

Bureau Of Reclamation TEST PIT LOG

Water Encountered: none Approx. Dimensions: Date Of Exploration: 7/9/2020

47.55474 -120.67569 Method of Exploration:

Northing Easting

The backhoe utilized a 3-foot-wide toothed all purpose bucket. Advancement was quick and smooth. Advancement ended when target depth was reached. Coordinates were collected using recreational grade handheld GPS.

PLUS 12

INCH

0.0 to 5.8 ft.: POORLY GRADED SAND WITH SILT GRAVEL AND COBBLES (SP-SM)gc:

About 70% fine to coarse, hard, angular to subangular sand; about 20% fine to coarse, hard, rounded to subrounded gravel; about 10% fines.

TOTAL SAMPLE (BY VOLUME): Trace 3- to 5-inch, hard, rounded to subrounded cobbles.

IN PLACE CONDITIONS: maximum size: 5 inches; loosely compacted; dry; light brown to orange brown; no reaction with HCl.

0 0 0

FIELD

CLASSIFICATION

GROUP SYMBOL

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

% PLUS 3-INCH BY VOLUME

3-5 INCH 5-12

INCH

5.8 to 8.1 ft.: POORLY GRADED SAND (SP):

About 95% fine to coarse, hard, angular to subangular sand; about 5% fines.

IN PLACE CONDITIONS: Loosely compacted; moist; light brown; no reaction with HCl. 0 0

(SP-SM)gc

Coordinates: Caterpillar 308E excavator

Datum: A. Canner

12L x 15W x 8.2D Feet

0.0 to 1.5

1.5 to 8.2

NOTES

The backhoe utilized a 3-foot-wide toothed all purpose bucket. Advancement was quick and smooth. Advancement ended when ideal depth for ring density test was reached. Coordinates collected using recreational-grade handheld GPS.

PLUS 12

INCH

0.0 to 1.5 ft.: POORLY GRADED SAND WITH SILT (SP-SM):

About 80% fine to coarse, hard, angular to subangular sand; about 10% fine to coarse, hard, subrounded to rounded gravel; about 10% fines.

TOTAL SAMPLE (BY VOLUME): Trace 3 to 5-inch, hard, rounded to subrounded cobbles.

IN PLACE CONDITIONS: maximum size, 4 inches; dry; brown; no reaction with HCl

0 0 0

FIELD

CLASSIFICATION

GROUP SYMBOL

CLASSIFICATION AND DESCRIPTION OF MATERIAL (SEE USBR 5000,5005)

% PLUS 3-INCH BY VOLUME

3-5 INCH 5-12

INCH

1.5 to 8.2 ft.: POORLY GRADED SAND WITH SILT GRAVEL AND COBBLES (SP-SM)gc:

About 70% fine to coarse, hard, angular to subangular sand; about 20% fine to coarse, hard, subrounded to rounded gravel; about 10% fines.

TOTAL SAMPLE (BY VOLUME): About 10 % 3- to 5-inch, hard, rounded to subrounded cobbles. Trace 5 to 12-inch, hard, rounded to subrounded cobbles.

IN PLACE CONDITIONS: maximum size, 6 inches; loosely compacted; dry; light brown to orange brown; no reaction with HCl.

10 0

(SP-SM)

(SP-SM)gc

WGS 84, decimal degrees Logged By:

Bureau Of Reclamation TEST PIT LOG

Water Encountered: none Approx. Dimensions: Date Of Exploration: 7/8/2020

47.55572 -120.67492 Method of Exploration:

Northing Easting

TP-20-6

Columbia Basin

Along pipeline route Ground Elevation: 1156.6 ft.

Hole No.

P

E R

C E

N T

FI

N

E R

GRAIN SIZE - mm.

0.0010.010.1110100

% Cobbles Coarse

% Gravel

Fine Coarse Medium

% Sand

Fine Silt

% Fines

Clay

2.4 12.3 12.5 13.5 37.3 15.9 6.1 in in in

1½ in in

¾ in

½ in

3/ in

#4 #1

#2

#3

#4

#6

#1

#1

#2

SIEVE PERCENT SPEC.* PASS?

SIZE FINER PERCENT (X=NO)

Material Description

Atterberg Limits

Classification

Remarks

Source of Sample: TP Super Sacks Depth: 8.2-9.8 Sample Number: 73Q-19 Date:

Client:

Project:

Project No: Figure

TP-20-6

well-graded sand with silt and gravel 5" 3"

1-1/2" 3/4" 3/8" #4 #8

#16 #30 #50 #100 #200

100.0 97.6 92.6 85.3 79.1 72.8 62.9 45.9 29.1 16.4 10.1

6.1

NP NP NP

SW-SM A-1-b

Assumed NP for USCS Classification

US Fish and Wildlife

Leavenworth National Fish Hatchery

73Q

PL= LL= PI=

USCS= AASHTO=

* (no specification provided)

BUREAU OF RECLAMATION

Denver, Colorado

Prel im ina ry

Res

Table 1. Ring Density Test Density Results

Test Pit Depth Total Unit Weight Dry Unit Weight ‐‐ ft lbf/ft3 lbf/ft3

TP‐20‐1 8.4‐9.9 142.2 135.7

TP‐20‐2 8.2‐9.6 117.1 109.0

TP‐20‐4 8.1‐8.6 145.1 140.9

TP‐20‐6 8.2‐9.8 95.6 93.6

CONTROLLED

TM-85-832000-2020-14

Geophysical Surveys: Phase II Seismic Tomography, LNFH Water Supply Project

Figure 13.— SL1 though SL5 combined p-wave velocity tomograms: interpreted top of weathered bedrock and competent bedrock are indicated with the dotted and dashed-black lines, respectively. The projected locations of nearby or coincident test pits are indicated on the top of the combined tomograms. The related line-location map is provided in the lower image.

TM-85-832000-2020-14

Geophysical Surveys: Phase II Seismic Tomography, LNFH Water Supply Project

Figure 14.— SL6 and SL7 combined p-wave velocity tomograms: interpreted top of weathered bedrock and competent bedrock are indicated with the dotted and dashed-black lines, respectively. The related line-location map is provided in the lower image.

FEET

0 125 250

0 20 40 60 80 100 120 140 160 180 200 220 240

SL6 P-Wave Tomogram

-70 -60 -50 -40 -30 -20 -10

R el at iv e El ev at io n

(ft

Unconsolidated Soils

Competent Bedrock

Vp (ft/s)

15 35 55 75 95 115 135 155 175 195 215 235

SL7 P-Wave Tomogram Unconsolidated Soils

Competent Bedrock

DH-19-01 Drillhole Location/Name

Top of Bedrock from Drillhole

Top of Weathered & Fractured Bedrock

Top of Competent Bedrock

Line Distance (ft) 260 280 300 320 340 360 380 400 420 440 460 480

W E

G1_103-D-347_22x34
G2_3712-100-60000_22x34
G3_TP-20-1_Log
G4_TP-20-1_Particle Size
G5_TP-20-2_Log
G6_TP-20-2_Particle Size
G7_TP-20-3_Log
G8_TP-20-4_Log
G9_TP-20-4_Particle Size
G10_TP-20-5_Log
G11_TP-20-6_Log
G12_TP-20-6_Particle Size
G13_Table 1_Ring Density
G14_Figure 13 - Downstream Seismic Lines
G15_Figure 14 - Upstream Seismic Lines
103-D-347 ShtNo Rev2: G1
3712-100-60000 ShtNo: G2
G3: G3
G4: G4
G5: G5
G6: G6
G7: G7
G8: G8
G9: G9
G10: G10
G12: G12
G13: G13
G14: G14
G15: G15

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